<!DOCTYPE html>
<html>
    <head>
		<meta charset="UTF-8">
		<title>JS中screen</title>
	</head>
	<body>
		<a href="img/121.jpg" target="_blank">奇迹</a>
		
		
		<script>
		var str="Hello world!"
		document.write(str.fixed())
		</script>
	</body>
</html>
